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by adastra22 454 days ago
The liklihood of a particular structure being hit is very, very small. Negligible over the operational lifetime of the device.

In the long-term vision of scaled-up nanotechnology, there will of course have to be redundancy and mechanisms for disabling, removing, and recycling (or incinerating) mechanisms destroyed by cosmic rays.

But in the near-term, it is an ignorable risk.